Who said "War causes pain, peace is always the better choice."?

This quote is attributed to Butters Stotch.

War causes pain, peace is always the better choice. - Butters Stotch

"War causes pain, peace is always the better choice."

Butters Stotch War

"I'm not bad, I'm just drawn that way"

"Aw, hamburgers!"

"You're grounded, mister!"

"I have to go do my chores now"

"Some battles are worth fighting."

"Sometimes you have to become the monster to stop the monsters."

"Skynet sent me back through time to kill you."

"War teaches us the value of peace."